The air-work side of things can come as a surprise to many, but these helicopters give cranes a run for their money.

Rotorwing operates two Hueys for air-work, each capable of carrying a load of up to 1800kg.

Mr Barnes said it meant the helicopters could deliver heavy infrastructure and equipment like power poles, air conditioning units, spa baths and building supplies, in difficult to reach areas with far less hassle than cranes and trucks.

"From a logistical perspective, you can move things much more efficiently with helicopters," he said.